Exposure
ID
GRAVI.2023-09-10T03:08:25.383_1
Header ID
GRAVI.2023-09-10T03:08:25.383
Date updated
2023-09-10 03:30:44 UTC+0000
Release date
2024-09-10 03:30:44 UTC+0000
UTC Start
2023-09-10 03:08:25.383
UTC End
2023-09-10 03:12:41.383
MJD Start
60197.13084934
MJD End
60197.13381230296
Exposure time (s)
256.0
Validation level
1
Tau 0: Coherence time (s)
0.002334
Ambient temperature (°C)
13.69
Seeing (arcsec)
1.185
Observation
ID
56954
Category
science
Program ID
112.262Q.001
Program Title
MEASURING DYNAMICAL MASSES AND PRECISION AGES FOR GAIA BINARIES ON THE RED GIANT BRANCH
Program Type
Normal
PI / COI
LU/ KRAUS/ GARDNER/ IRELAND/ CASAGRANDE
Target
ID
42223
Name
HD_184438
RA
293.932514
DEC
-32.82306
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.1080 85.3690 135.0000 136.8000
A0-J2 116.8810 114.9410 111.3000 113.0000
A0-K0 112.5800 110.2760 87.0380 88.3430
G1-J2 51.4500 50.4850 68.9000 69.9000
G1-K0 84.2550 83.4880 37.6910 38.3740
J2-K0 48.3110 48.2940 4.1530 5.2540
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.262Q.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60197.13084934
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 184438
HIERARCH ESO INS SOBJ NAME HD_184438
RA 293.932514
DEC -32.82306
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 593.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 256
HIERARCH ESO ISS PBL12 START 86.108
HIERARCH ESO ISS PBL12 END 85.369
HIERARCH ESO ISS PBLA12 START 135.0
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 116.881
HIERARCH ESO ISS PBL13 END 114.941
HIERARCH ESO ISS PBLA13 START 111.3
HIERARCH ESO ISS PBLA13 END 113.0
HIERARCH ESO ISS PBL14 START 112.58
HIERARCH ESO ISS PBL14 END 110.276
HIERARCH ESO ISS PBLA14 START 87.038
HIERARCH ESO ISS PBLA14 END 88.343
HIERARCH ESO ISS PBL23 START 51.45
HIERARCH ESO ISS PBL23 END 50.485
HIERARCH ESO ISS PBLA23 START 68.9
HIERARCH ESO ISS PBLA23 END 69.9
HIERARCH ESO ISS PBL24 START 84.255
HIERARCH ESO ISS PBL24 END 83.488
HIERARCH ESO ISS PBLA24 START 37.691
HIERARCH ESO ISS PBLA24 END 38.374
HIERARCH ESO ISS PBL34 START 48.311
HIERARCH ESO ISS PBL34 END 48.294
HIERARCH ESO ISS PBLA34 START 4.153
HIERARCH ESO ISS PBLA34 END 5.254
HIERARCH ESO ISS AMBI TAU0 START 0.002258
HIERARCH ESO ISS AMBI TAU0 END 0.00241
HIERARCH ESO ISS AMBI TEMP 13.69
HIERARCH ESO ISS AMBI FWHM START 1.18
HIERARCH ESO ISS AMBI FWHM END 1.19